5
	4	6			5
	2	5
			5	2
1			6	5
					2

Difficulty: Super easy (0)

					1
			6	4
		3			5
2			5
	4	2
3

Difficulty: Very hard (0)

4				6
1					4
2		3
			1		2
5					6
	2				5

Difficulty: Super easy (0)

	6		3	1
					2
2
	1	4		6

Difficulty: Very easy (0)